Propanoic acid,2-hydroxy-2-methyl-,monoammonium salt (9CI), Ammonium 2-hydroxyisobutyrate, 2-hydroxyisobutyric acid ammonium salt, Ammonium2-methyllactate, azanium 2-hydroxy-2-methylpropanoate, Lacticacid,2-methyl-,monoammonium salt (8CI), Ammonium a-hydroxyisobutyrate, Propanoic acid,2-hydroxy-2-methyl-,ammonium salt (1:1)